Get elite warmth and comfort no matter where or when you run. Reflective details remain visible in low light, keeping you on a route without limits. Nike Sphere fabric helps keep you warm. Half-zip design for temperature control. Thumbholes with mittens for warmth. Reflective elements for visibility in low-light conditions. Raglan sleeves for natural range of motion. Dri-FIT 93% polyester/7% spandex. Imported.